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Overview of Quantum Hot Standby
22
840 USE 106 00 January 2003
Run Mode When the keyswitch is in this position, the controller is active and is either serving
as the Primary controller or is capable of taking over the Primary role, if needed.
The keyswitch on both Hot Standby modules should be in the Run position at all
times. When the Standby controller is in Run mode and the standby indicator is on,
it is actively monitoring the status of the system and is ready to take control if the
Primary unit fails.
Note: If you turn the key on the Primary unit to transfer, the Hot Standby system
ignores your action.